cesium_example_auth/public/cesium_example/example/js/btnbar/btnbar.css

.btnbar {
  position: absolute;
  /* width: 100%; */
  left:0;
  right: calc(100% - 100px);
  min-height: 40px;
  bottom: 30px;
  z-index: 9999;
}

.btnbar_panel {
  width: 900px;
  height: 40px;
  margin: 0 auto;
}

.btnbar_items_panel {
  width: 800px;
  height: 40px;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.btnbar_items_panel_scroll {
  position: absolute;
  width: 2000px;
  height: 40px;
  left: 0px;
}

.btnbar_item {
  font: 16px "Microsoft YaHei";
  color: rgba(255, 255, 255, 1);
  pointer-events: auto;
  display: inline-block;
  width: 170px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: url(img/button.png) no-repeat;
  background-size: 100% 100%;
  margin-right: 40px;
}

.btnbar_item_select {
  background: url(img/button_select.png) no-repeat;
  background-size: 100% 100%;
}

.btnbar_left {
  width: 40px;
  height: 40px;
  display: inline-block;
  background: url(img/left.png) center center / 70% 70% no-repeat;
}

.btnbar_right {
  width: 40px;
  height: 40px;
  display: inline-block;
  background: url(img/right.png) center center / 70% 70% no-repeat;
}

/**info*/

.infoview-js {
  left: auto;
  right: 60px;
  height: calc(100% - 50px);
  width: 40%;
  background: none;
  border: none;
  box-shadow: none;
}

.infoview_panel {
  height: 100%;
  width: 100%;
  color: #ffffff;
  padding: 10px;
  background: url(img/infoBox.png) no-repeat;
  background-size: 100% 100%;
  margin-right: 5px;
  font-size: 20px;
}

.infoview_panel_scroll {
  height: 98%;
  width: 99%;
  overflow-y: auto;
}

.infoview_panel div {
  margin-top: 5px;
}

.infoview_panel label {
  color: #03dae7;
  display: inline-block;
  margin-bottom: 5px;
  font-weight: bold;
  line-height: 35px;
}

.infoview_panel span {
  padding-left: 8px;
  line-height: 35px;
}

.infoview_panel .title {
  color: #ffec48;
  font-size: 28px;
  text-align: center;
  font-weight: bold;
  line-height: 50px;
}